85480553 has 2 divisors, whose sum is σ = 85480554. Its totient is φ = 85480552.

The previous prime is 85480519. The next prime is 85480579. The reversal of 85480553 is 35508458.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 59552089 + 25928464 = 7717^2 + 5092^2 .

It is a cyclic number.

It is not a de Polignac number, because 85480553 - 2¹⁰ = 85479529 is a prime.

It is not a weakly prime, because it can be changed into another prime (85480253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42740276 + 42740277.

It is an arithmetic number, because the mean of its divisors is an integer number (42740277).

Almost surely, 2^85480553 is an apocalyptic number.

It is an amenable number.

85480553 is a deficient number, since it is larger than the sum of its proper divisors (1).

85480553 is an equidigital number, since it uses as much as digits as its factorization.

85480553 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96000, while the sum is 38.

The square root of 85480553 is about 9245.5693713259. The cubic root of 85480553 is about 440.5100026374.

The spelling of 85480553 in words is "eighty-five million, four hundred eighty thousand, five hundred fifty-three".